Search for Albers in http://google-maps-utility-library-v3.googlecode.com/svn/trunk/arcgislink/src/arcgislink.js
On Sep 29, 12:02 pm, Albert Sun <[email protected]> wrote: > Hello Friendly People, > > I'm trying to implement a map with a custom base map and a custom > projection. I started from the code examples > herehttp://code.google.com/apis/maps/documentation/javascript/maptypes.html > and I'm trying to implement an Albers Equal Area Projection instead of > the Gall Peters one. I'm using this formula to do > ithttp://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html > > The equations aren't coming out right though, and the functions aren't > working properly as inverses of each other. > > When I do albers.fromPointToLatLng(albers.fromLatLngToPoint(new > google.maps.LatLng(32, -80))) I get a LatLng where the longitude is > right, but the latitude wrong. In the fromPointToLatLng function, its > trying to take the arcsin of a number greater than one. > > I'm pretty sure I need to scale the results from the functions up and > down to world coordinates but am not sure how to do it. > > My code here: > > http://albertsun.info/misc/maptype-base.html > > Any help would be much appreciated! > > Thanks, > > Albert -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.
